Seeds - Black-Eyed Susan
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Description: Dramatic drooping petals are the outstanding feature on this gorgeous tall grass prairie wildflower. Best-known of all the prairie flowers and the easiest to grow. A single plant can produce hundreds of blooms over the summer and into the fall. Excellent cut flower. Self-seeding biennial or hardy annual.
Pack Size: 250 seeds
Latin Name: Rudbeckia hirta
Main Uses: Ornamental, Landscape
Zone Hardiness: Zone 3 perennial
Exposure: Full sun to part shade
Height: 60 - 90 cm (2 - 3 ft.)
Flower Color: Yellow
Flowering Time: Late June - August
Germination: 7 - 14 days 21° C.
Sowing: Indoors, 6 - 8 weeks before last frost. Apply Sea Magic from first watering. From second set of true leaves to time of transplanting, alternate between Sea Magic and seed-starting fertilizer (such as Evolve) once per week. Direct seed outdoors in the fall or in the spring after the last frost.
Pretreatment: Stratify 1 - 2 months (cold store in refrigerator).
Planting depth: Barely-covered.
Planting Out: Plant in average to dry well-drained soil once seedlings are established and risk of frost has passed. Tolerates many soil conditions from sand to clay.
Growing in Containers: Not well-suited for containers due to height, but works well in raised beds.
Fertilizing (Garden): Thrives in average garden soil - add compost annually; otherwise no fertilizer required.
Watering (Garden): Water young plants daily to get the established, then water only as required.
Beneficials Attracted to this Plant: Butterflies.
Garden Companions: Daylily, Echinacea, Cranesbill, Tall Garden Phlox, Prairie Dropseed, Feather Reed Grass, Russian Sage, and Stonecrop (Sedum).
Suitability for Indoors: Not suited for indoors.